1)supporting character in television or film of african descent who assist the typically caucasian lead to discover a spiritual truth by virtue of their prescence, deeds or words. 2) a supporting character of african descent who imparts wisdom of a spiritual or mystical nature to the protagonist by prescence, deed or word that can alter their behavior in a significant way. male mammy, mystical negro, magic negro, magical negro, Djimon Hounsou

That new movie has everything including a handsome leading man, a love interest and even a mystic negro!